ISO 8643:2024

Earth-moving machinery — Hydraulic excavator and backhoe loader lowering control device — Requirements and tests ISO 8643:2024

General information

60.60 Standard published   May 8, 2024

ISO

ISO/TC 127/SC 1 Test methods relating to safety and machine performance

International Standard

53.100   Earth-moving machinery

Scope

This document establishes uniform requirements and test procedures for lowering control devices fitted on the boom, intermediate boom and arm cylinders of hydraulic excavators and backhoe loaders to control the rate of drop in the case of a hydraulic line failure or rupture.
It is applicable to the lowering control devices of hydraulic excavators and the backhoe equipment of backhoe loaders used for object handling which are equipped with the standard linkage as defined by the manufacturer. On machines where alternative linkage combinations are offered, only the standard length defined by the manufacturer is subject to testing.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 8643:2017

NOW

PUBLISHED
ISO 8643:2024
60.60 Standard published
May 8, 2024